Free KDP Cover Size Calculator
Generate exact print-ready dimensions for Amazon KDP paperbacks and hardcovers. Our tool calculates precise spine width, bleed, and safe zones updated for 2026 standards.
📙 Book Specifications
📏 Your Cover Dimensions
12.48" × 9.25"
Width × Height
0.23"
0.125"
Front / Back Cover:6" x 9"
Spine:0.23" x 9"
Recommended Resolution:300 DPI
The Definitive KDP Cover Guide
Our Free KDP Cover Size Calculator is updated for 2026 Amazon standards. To avoid the dreaded "Interior and Cover file size mismatch" error, your PDF must account for the spine width and a 0.125" bleed on all outer edges.
Whether you are using Canva, Photoshop, or Affinity, the dimensions provided above are the exact requirements for a "Press Quality" upload.
Frequently Asked Questions
Bleed is an extra 0.125" added to each edge of your cover to ensure that when the book is trimmed, no white gaps appear at the edges.
Amazon KDP requires at least 79 pages for a paperback book to have text printed on the spine.